[eslint] updated eslintrc and improved the code (#4702)

frontend/src/components/draft-list-view/draft-list-item.js

@@ -98,12 +98,12 @@ class DraftListItem extends React.Component {
         <td className="text-center">
           {this.state.isMenuIconShow && (
             <Dropdown isOpen={this.state.isItemMenuShow} toggle={this.toggleOperationMenu}>
-              <DropdownToggle 
-                tag="i" 
-                className="fas fa-ellipsis-v attr-action-icon" 
+              <DropdownToggle
+                tag="i"
+                className="fas fa-ellipsis-v attr-action-icon"
                 title={gettext('More Operations')}
                 onClick={this.onDropdownToggleClick}
-                data-toggle="dropdown" 
+                data-toggle="dropdown"
                 aria-expanded={this.state.isItemMenuShow}
               />
               <DropdownMenu>

frontend/src/components/draft-list-view/draft-list-view.js

@@ -42,9 +42,9 @@ class DraftListView extends React.Component {
         <tbody>
           { drafts && drafts.map((draft) => {
             return (
-              <DraftListItem 
-                key={draft.id} 
-                draft={draft} 
+              <DraftListItem
+                key={draft.id}
+                draft={draft}
                 isItemFreezed={this.state.isItemFreezed}
                 onFreezedItem={this.onFreezedItem}
                 onUnfreezedItem={this.onUnfreezedItem}